Home / 1,122,593.63-1,683,121.83-402,919.35

Finding the Fourth Proportional to 1,122,593.63, 1,683,121.83 and 402,919.35

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Solution

The fourth proportional to 1,122,593.63, 1,683,121.83 and 402,919.35 is: 604,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,593.63 : 1,683,121.83 = 402,919.35 : x
  2. Step 2: Convert to fraction form
    1,122,593.63/1,683,121.83 = 402,919.35/x
  3. Step 3: Cross multiply
    1,122,593.63x = 1,683,121.83 × 402,919.35
  4. Step 4: Simplify right side
    1,122,593.63x = 678,162,353,714.41
  5. Step 5: Solve for x
    x = 678,162,353,714.41/1,122,593.63
  6. Step 6: Final answer
    x = 604,103.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.